1
6
8
Published [1984?]

Report Number(s): APA 2778 (draft)

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9
11
12
Published [1983]

Report Number(s): APA 559 APA 667

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13
Published [1983]

Report Number(s): APA 2427

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16
Published [1981]

Report Number(s): APA 2357

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17
18
Published [1982]

Report Number(s): APA 2954 APA 2955 SUS 65

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